Perkins 4.203 Series

Perkins 4.203 Bottom Gasket set

Aftermarket Perkins 4.203, D4.203 & 4.203.2 bottom gasket and seals set, a very comprehensive set of quality gaskets and seals for the bottom end of your engine. The set includes: diesel lift pump gaskets (2 bolt and 4 bolt versions) oil filter...

Perkins 4.203 Top Gasket set

A very comprehensive set of aftermarket gaskets and seals for the top end of Perkins 4.203. Note that Perkins made two distinct versions, with early types having 'indirect' combustion chambers and being called Perkins 4.203 and later versions having...

Perkins 4.203 Rear crankshaft oil seal

Quality aftermarket Perkins 4.203 Rear crankshaft oil seal. UK, European and Worldwide shipping available.

Perkins 4.203 Thrust washers set

A set of 4 aftermarket Perkins 4.203 Crankshaft Thrust washers (Standard size) To fit the following versions 4.203, D4.203 and D4.203.2  UK delivery is by 1st class post or courier. European and Worldwide shipping is also available  

Perkins 4.203 Connecting Rod

Quality aftermarket Perkins 4.203 connecting rod, a top quality part that comes with small end bush fitted and reamed to size, together with big end nuts and bolts. Available for Direct and Indirect engines. 4.203 'Direct' for engine code: JE -...

Perkins 4.203 Valve Train Overhaul kit

Quality aftermarket engine overhaul kit for Perkins 4.203 engines includes the following parts: Inlet valves 45° or 35° x 4 Exhaust valves 45° or 35° x 4 Inlet valve guides x 4 Exhaust valve guides x 4 Valve collets...

Perkins 4.203 Crankshaft main bearings

A quality set of aftermarket main bearings for Perkins 4.203 engines. Available in the following sizes: Standard -0.010" -0.020" -0.030"  UK, European and Worldwide shipping available.

Perkins 4.203 Connecting Rod Bearings

A quality set of aftermarket Perkins 4.203 connecting rod (big-end) bearings with sintered aluminium bearing faces. To fit all versions of the 4.203 engine. Available in the following sizes: Standard -0.010" -0.020" -0...

UNF Stainless steel nuts

UNF A2 Stainless steel nuts, ideal for use in the marine environment, details: UNF (Unified National Fine) 1/4 = 7/16 AF spanner size  5/16 = 1/2 AF spanner size Full Nut  Corrosion resistant  Superior strength  UK,...

Exopro Classic 20W-50 Mineral Oil - 5 Litre

Exopro classic engine Mineral oil SAE 20W-50. An oil suitable for both petrol and diesel engines. Details:  Hi zinc content for ultimate protection Formulated to meet the unique demands of classic engines Long lasting stay-in-grade...

Perkins 4.203 Oil Filter Conversion kit

If you have one of the early marine versions of Perkins 4.203 with the paper oil filters inside a re-usable steel housing, then you will know what a messy business it is to do an oil change. A lot of oil can end up in the bilge! Our aftermarket oil...

Perkins 4.203 Oil Pump

Perkins 4.203 oil pump to fit all 4.203 engines, direct and indirect injection. These aftermarket oil pumps are very well engineered and excellent value. It fits the following engine codes: JD - 4.203 JE - D4.203 JF - G4.203 JG - 4.2032 UK...

Perkins 4.203 Oil pressure relief valve kit

A genuine OE Perkins 4.203 oil pressure relief valve kit. It includes the following items: Plunger Spring Spring cap Cotter pin It fits: JD - 4.203 JE - D4.203 JF - G4.203 JG - 4.2032 Mainland UK delivery is by 1st class Royal Mail...

Perkins 4.203 Alternator Belt

Genuine OE Perkins alternator belts which are the correct fitments for Perkins 4.203 engines. *Please note that there are different belt lengths on these engines (make sure you check the sizes before placing the order).  Belt size 13...

Perkins 4.203 Oil Filler cap

Quality aftermarket oil filler cap. There are two sizes used on Perkins 4.203. The larger cap fits factory marinised version, whilst the smaller cap fits automotive / industrial versions. To ensure that this cap is compatible with your engine, please...

Perkins 4.203 Oil Filter

Genuine OE filter manufactured by Perkins for 4.203 engine. Typically Perkins filters include an anti-drain back valve and a by-pass valve to ensure the engine oil is in the right place during starting and operation. Supplied complete with sealing ring...

Perkins 4.203 Oil Pressure Switch

Our standard aftermarket single spade oil pressure switch fits Perkins 4.203 that take an earth supply from the engine block. It has a tapered screw thread and single spade type electrical connection for 12v or 24v systems. On marine versions,...

Perkins 4.203 Sump Drain Bolt

An aftermarket Perkins 4.203 sump bolt. Details: To fit all sumps drilled to take a parallel thread (the majority) sump drain bolt Diameter across the imperial parallel threads is 19 mm (3/4 inch) Not suitable for sumps drilled to take the less...

Perkins 4.203 Sedimenter kit

A high quality aftermarket pre-filter / water separator / fuel filter for Perkins 4.203 with re-usable internal gauze strainer and glass bowl. This universal sedimenter is very useful in the marine environment and is usually located on a...

Perkins 4.203 Lift Pump

AftermarketPerkins 4.203 lift pump - there are three types of lift pump used on these engines: The 'two bolt early' lift pump fits all but the very last versions of these engines JD-4.203, JE-D4.203 The 'two bolt late' lift pump to fit engine codes...

Delphi Blanking Plug Kit for Filter Assembly

Aftermarket Delphi blanking plug kit for Filter Assembly includes: x2 Blanking plugs (1/2"UNF thread) x2 Blanking plug copper washers x1 Air vent bolt (M10 x1.5 Metric thread)  x1 Air vent washer UK, European and Worldwide shipping...

Delphi fuel filter assembly drain plug and washer

Delphi fuel filter assembly Drain Plug and sealing washer.  Thread diameter 7.5mm UK delivery is by 1st class Royal Mail or courier. European and worldwide delivery is available.

Perkins 4.203 Fuel Filter assembly

Replacement Perkins fuel filter assembly for Perkins Perkins 4.203 engines. This genuine Delphi quality part has the correct 1/2" UNF thread original fittings and also has the advantage of using the more readily available...

Liqui Moly Diesel Purge 1Litre

Liqui Molly Diesel Purge additive is designed to remove deposits on injection nozzles and combustion chambers as well as boosting the cetane number. It also helps to eliminate engine running problems such as knocking when idling and ensures smooth...

Perkins 4.203 Fuel Filter

A genuine Perkins 4.203 fuel filter. Includes: x1 Fuel filter x3 Sealing rings Fits versions: JD - 4.203 JE - D4.203 JG - 4.2032 UK, European and Worldwide available.

Perkins 4.203 Gasket & Seal Kit for Injector Pumps

A quality aftermarket set of gaskets and seals to overhaul your Perkins 4.203 CAV DPA fuel pump. We stock both options for either the mechanically or hydraulically governed versions of this pump. Please select the correct version for your...

Perkins 4.203 Water Pump

Well engineered Perkins 4.203 aftermarket water pumps offering excellent value. Choose from either option A or B. Includes: x1 Water pump x1 Water pump gasket  UK, European and worldwide shipping available.

Wynn's Injector Cleaner

Wynn's Injector cleaner for petrol and diesel engines, 325ml. Designed to neutralise the negative effects of water in fuel.  Details: Add to the fuel tank One bottle treats up to 60 liters Cleans the injectors of petrol and diesel...

Perkins 4.203 Glowplug Thermostart

Quality aftermarket Perkins 4.203 12v heater plug (thermostart). It can be supplied with either the 'spade' or alternative 'screw' type electrical connection. A burnt-out coil on your glowplug is often one of the main causes of poor cold...

Perkins 4.203 Water Temperature Sender

AftermarketWater temperature sender that fits early Perkins 4.203 engines. Details: Spade type electrical connection 12v or 24v systems. Supplied with aluminium sealing washer. UK, European and Worldwide shipping available.

Perkins 4.203 Drain Tap

Quality aftermarket coolant drain tap for this Perkins 4.203 engine. Details: Fully machined from solid brass. These drain taps have tapered threads and fit all versions of these engines. UK, European and Worldwide shipping available.

Perkins 4.203 Thermostat

Quality aftermarket Perkins 4.203 series Thermostat with 82°C thermostat to open. Main diameter 54 mm, thermostat includes jiggle pin. JE - D4.203 JF - G4.203 JG - 4.2032 UK, European and Worldwide delivery available.

Perkins 4.203 Low oil pressure alarm

Aftermarket Low oil pressure alarm for Perkins 4.203 is a quality bulkhead mounted warning alarm, to be used in conjunction with an oil pressure switch (thread size: 1/8 NPTF). Ideal for marine use, as it gives an audible alarm in the event of...

Alternator 'Euro connector' plug kit

Aftermarket alternator wiring connector kit, commonly known as a 'euro connector'. Fits many standard 3 pin alternators. UK delivery is by 1st class Royal Mail or courier.  European and Worldwide delivery is available.

Perkins 4.203 series Alternator

High quality aftermarket Perkins 4.203 alternators 12V to fit all versions of these engines set up for a 'three lug' mounted alternator. The adjuster arm securing bolt is at a 120 degree angle to the mounting arms as can be seen from the...

Perkins 4.203 starter solenoid 100A

Quality aftermarket solenoids suitable for automotive' or a marine applications like Perkins 4.203 Our automotive version is suitable for applications where the base of the unit is 'grounded' to the negative electrical supply (e.g. vehicle chasis)...

Perkins 4.203 Ignition switch

An aftermarket starter/ignition  switch for Perkins 4.203 engines, we offer two switch options, which have either 4 pin or 6 pin electrical connections and differing key positions, as can be seen from the...

Stainless Steel hose clips

Strong, good quality Stainless Steel (304 grade) worm drive clamps ideal for both the marine environment and industrial use. Band width 12.5mm Band diameter given in the options above is the 'maximum'. UK delivery is by 1st class Royal Mail,...

MPM Antifreeze Concentrate 5 litre

Standard ethylene glycol concentrate (antifreeze) from MPM, can be used throughout the whole year in the cooling systems of petrol and diesel engines. This antifreeze should be further diluted before use with water in the recommended ratio. Freezing...

Antifreeze & Coolant 2 Litre

A Mono Ethylene Glycol (MEG) based engine coolant and anti-freeze concentrate from Comma. Gives up to 2 years protection against freezing and overheating. Suitable for use in all types of vehicle requiring an MEG coolant. Suitable for Ferrous and...

Water Temperature Gauge

Universal 12V to 24V waterproof Temperature gauge. This high quality product has been manufactured solely for Parts4engines and is designed to operate in the harsh marine environment. Product details: 12 to 24 Volt Manufactured to VDO...